/****************************************************************************
 * Copyright (C) 2011 Maxim Integrated Products, All Rights Reserved.
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 * copy of this software and associated documentation files (the "Software"),
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 *
 *     Description: MAXQ SPI driver private include file
 *             $Id: maxq_spi_priv.h 3272 2012-02-27 20:28:47Z jbrodt $
 *
 ********************************************************************************
 */

#ifndef _MAXQ_SPI_PRIV_H_
#define _MAXQ_SPI_PRIV_H_

#include "maxq_config.h"
#include "fifo\maxq_fifo.h"

/***** Definitions *****/
typedef struct {
  fifo_t * rxf; // receive fifo
  fifo_t * txf; // transmit fifo
  void (*isr_callback)(void);   // user interrupt callback function pointer
  void (*err_callback)(void);   // user interrupt callback function pointer
  void (*fifo_callback)(void);  // user interrupt callback function pointer
  void (*ssel_callback)(int);   // user slave select callback function pointer
} spi_t;

#define ALL_FLAGS_MASK      0x78  // SPICNn register bit mask
#define ERR_FLAGS_MASK      0x38  // SPICNn register bit mask
#define ENABLE_MASK         0x01  // SPICNn register bit mask
#define MASTER_MASK         0x02  // SPICNn register bit mask
#define XFER_COMPLETE_FLAG  0x40  // SPICNn register bit mask
#define STBY_FLAG           0x80  // SPICNn register bit mask

#define INT_GLOBAL_ENABLE   0x01  // IC register bit mask

#endif /* _MAXQ_SPI_PRIV_H_ */
